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    Phones

    • Phones
    • Upgrades
    • Apple iPhone
    • iPhone 17
    • Android phones
    • Refurbished phones
    • Samsung Galaxy Phones

    Tablets, laptops and dongles

    • Tablets
    • Apple iPad
    • Android tablets
    • Laptops
    • Dongles and mobile WiFi

    SIMs and Tariffs

    • SIM Only Deals
    • Pay As You Go SIMs
    • Tariffs
    • International
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    • Essential Plan

    Accessories and more

    • Tech and accessories
    • Apple Watch
    • Smartwatches
    • AirPods
    • Great deals
    • January Sale

    O2 for you

    • Flexible tariffs
    • Upgrade with O2 Switch Up
    • Fair Deal for O2 customers
    • Peace of mind with O2 Insure
    • Tech news and inspiration

    Saving you money

    • Data rollover
    • Sell with O2 Recycle
    • Auto-save plans
    • Multisave discounts
    • Virgin Media and O2 benefits

    Perks and rewards

    • Priority Tickets and offers
    • Pick your O2 Extras
    • Collect Airtime Rewards
    • Perks at O2 venues
    • Pay As You Go Rewards

    Stay connected

    • Travel with EU roaming
    • Check your coverage
    • Our cutting-edge network
    • 5G is here
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      Discover extra benefits
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Find the best SIM for your device

Explore our SIM deals

Choose your SIM

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Pay Monthly SIMs

Keep the phone you love and get all the data you need. Take your pick from our 12 and 24-month Pay Monthly SIM Only deals.

Choose a SIM
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Pay As You Go SIMs

Enjoy the perks of a Pay As You Go SIM, with our Big Bundles and Rolling Plans

Get yours

Latest Pay Monthly offers

150GB SIM Only just £18.99 a month

Get an awesome price on the 24-month 150GB Plus Plan. £21.49 April ’26, £23.99 April ’27. Offer ends 4 Feb.

See Jan Sale deal

Great low price on 30GB SIM Only

January Sale. 24-month 30GB Classic Plan. £15 a month. £17.50 April ’26, £20 April ’27. Deal ends 4 Feb.

Explore more

Unlimited Classic Plan £21 a month

Bag a 24-month SIM Only deal in our Jan Sale. £23.50 April ’26, £26 April ’27. Ends 4 Feb.

Get this low price

Pay As You Go SIMs

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Big Bundles

Enjoy awesome perks and great-value tariffs with unlimited minutes and texts

Dive in

Rolling plans

The easiest way to pay without a contract

Find out more
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Need to top up?

Find out how to top up your Pay As You Go devices

See your options

Perks for being with O2

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Data rollover

Didn’t get through all your data? Let’s keep it rolling.

Find out more
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Roam freely in the EU

Unlike other major networks, we don't charge extra for EU roaming, up to 25GB

Get on board
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Priority

Jump into a world of exclusive rewards and experiences. It’s our way of saying thanks for being with us.

Let’s go

Looking for another SIM?

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Tablet SIMs

Pick a SIM for your tablet or dongle

See the deals
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Smartwatch eSIMs

Connect your cellular smartwatch with a Pay Monthly eSIM

See smartwatch eSIMs
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Mobile broadband SIMs

Stay connected while you’re on the move

Find out more
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